protected final PutObjectRequest createInstructionPutRequest(
String bucketName, String key, ContentCryptoMaterial cekMaterial) {
byte[] bytes = cekMaterial.toJsonString().getBytes(UTF8);
InputStream is = new ByteArrayInputStream(bytes);
ObjectMetadata metadata = new ObjectMetadata();
metadata.setContentLength(bytes.length);
metadata.addUserMetadata(Headers.CRYPTO_INSTRUCTION_FILE, "");
return new PutObjectRequest(bucketName, key + INSTRUCTION_SUFFIX, is, metadata);
}
/**
* Updates put request to store the specified instruction object in S3.
*
* @param request The put request for the original object to be stored in S3.
* @param cekMaterial The instruction object to be stored in S3.
* @return A put request to store the specified instruction object in S3.
*/
protected final PutObjectRequest upateInstructionPutRequest(
PutObjectRequest request, ContentCryptoMaterial cekMaterial) {
byte[] bytes = cekMaterial.toJsonString().getBytes(UTF8);
InputStream is = new ByteArrayInputStream(bytes);
ObjectMetadata metadata = request.getMetadata();
if (metadata == null) {
metadata = new ObjectMetadata();
request.setMetadata(metadata);
}
// Set the content-length of the upload
metadata.setContentLength(bytes.length);
// Set the crypto instruction file header
metadata.addUserMetadata(Headers.CRYPTO_INSTRUCTION_FILE, "");
// Update the instruction request
request.setKey(request.getKey() + INSTRUCTION_SUFFIX);
request.setMetadata(metadata);
request.setInputStream(is);
request.setFile(null);
return request;
}
